Peter Hanson, of Sweden, after his birdie putt on the 17th hole during the third round of the Masters golf tournament Saturday, April 7, 2012, in Augusta, Ga.

Peter Hanson, of Sweden, after his birdie putt on the 17th hole during the third round of the Masters golf tournament Saturday, April 7, 2012, in Augusta, Ga.

Photo: AP

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David Toms hits his tee shot on the 12th hole during the first round of the 2005 PGA Championship at Baltusrol Golf Club on August 11, 2005 in Springfield, New Jersey.

David Toms hits his tee shot on the 12th hole during the first round of the 2005 PGA Championship at Baltusrol Golf Club on August 11, 2005 in Springfield, New Jersey.

Photo: Ezra Shaw, Getty Images

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MELBOURNE, AUSTRALIA - DECEMBER 16: Ian Poulter of England plays an approach shot during day two of the 2011 Australian Masters at The Victoria Golf Club on December 16, 2011 in Melbourne, Australia.

MELBOURNE, AUSTRALIA - DECEMBER 16: Ian Poulter of England plays an approach shot during day two of the 2011 Australian Masters at The Victoria Golf Club on December 16, 2011 in Melbourne, Australia.

Photo: Quinn Rooney, Getty Images

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Matt Kuchar acknowledges the gallery's cheers after carding a birdie on the seventh hole Thursday at Riviera Country Club in Los Angeles.

Matt Kuchar acknowledges the gallery's cheers after carding a birdie on the seventh hole Thursday at Riviera Country Club in Los Angeles.

Photo: Harry How / Getty Images

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Jim Furyk is shown on the 13th tee during the second round of play in the Tour Championship golf tournament in Atlanta on Friday, Sept. 21, 2012. (AP Photo/John Bazemore)

Jim Furyk is shown on the 13th tee during the second round of play in the Tour Championship golf tournament in Atlanta on Friday, Sept. 21, 2012. (AP Photo/John Bazemore)

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Charl Schwartzel, of South Africa, watches his tee shot on the 13th hole during the first round of the Houston Open golf tournament, Friday, March 30, 2012, in Humble. Rain suspended Thursday's first round.

Charl Schwartzel, of South Africa, watches his tee shot on the 13th hole during the first round of the Houston Open golf tournament, Friday, March 30, 2012, in Humble. Rain suspended Thursday's first round.

Photo: Dave Einsel, Associated Press

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Jimmy Walker hits off the tee box during the Third Round at the Farmers Insurance Open at Torrey Pines South Golf Course on January 27, 2013 in La Jolla, California.

Jimmy Walker hits off the tee box during the Third Round at the Farmers Insurance Open at Torrey Pines South Golf Course on January 27, 2013 in La Jolla, California.

Photo: Donald Miralle, Getty Images

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Frederik Jacobson, of Sweden, watches his chip-shot on the 15th hole during the first round of the Travelers Championship golf tournament in Cromwell, Conn., Thursday, June 21, 2012. Jacobson finished with a 5-under par 65.

Frederik Jacobson, of Sweden, watches his chip-shot on the 15th hole during the first round of the Travelers Championship golf tournament in Cromwell, Conn., Thursday, June 21, 2012. Jacobson finished with a

Also in the field will be Jimmy Walker of Boerne, now 23rd on the PGA Tour money list; Jamie Donaldson of Wales, currently 33rd in the world rankings; George Coetzee of South Africa, ranked No. 42 in the world; and David Lynn of England, 52nd. Freddie Jacobson of Sweden, runner-up at the Texas Open in 2010 and one of this year's hottest players, will return as well.

Players have until March 29 to commit to the tournament. They can withdraw at any point.

Another Shark sighting: Greg Norman, whose management company oversees the Texas Open, will be a guest speaker at the military appreciation dinner, A Night to Honor Our Heroes, on April 2. Marcus Luttrell, retired U.S. Navy SEAL and author of, “Lone Survivor and Service,” is keynote speaker. For information on the USAA-sponsored event, including available tickets, visit ValeroTexasOpen.org.

Money matters: The First Tee of Greater San Antonio has announced that Citibank has again donated $10,000 to the local chapter's First Tee youth development program. For more information, visit thefirstteesanantonio.org.

Rules of the game: The San Antonio Rules of Golf Group, which continues to try to add to its stable of rules officials, will hold a 6 p.m. meeting March 18 at Chester's Hamburgers on San Pedro Avenue. There is no charge to attend. For information, call Gene Riley at 210-383-1881 or send an e-mail to sargg1@yahoo.com.

Back on course: Walker, who took a break from the PGA Tour to be with his wife, Erin, for the birth of their second child, returns this week to compete at the Tampa Bay Championship at Palm Harbor, Fla. Walker earned more than $800,000 in his first six tournaments this season.